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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
Planet Earth Video - great plains
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
What is an ecosystem?
Any place on Earth where living things interact with other living things and non-living things.
PullPull
Ecosystems can be as small as a puddle or as large as an ocean.
StudyJam video
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
What do you see in this ecosystem?
video link
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
Ecosystems involve the interaction between the living and non-living.
List some living and non-living things you might find in an ecosystem, in the chart.
Living Non-living
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
Make a list of all the biotic and abiotic things in our classroomBiotic Abiotic
Video
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Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
The NEEDS of living things
What do organisms need to survive? What are basic needs?
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
1. Living things need water
75% of the Earth's surface is water
90% of a head of lettuce is water
67% of your body is water
Water is essential for all life on Earth
Humans can live for approximately 3 days without water
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
2. Living things need food
We get nutrients from food
Nutrients are carbohydrates, fats, proteins, vitamins and minerals
Nutrients allow you to grow, move and repair and maintain the cells in your body
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
3. Living things need energy
You need energy to walk, run, breathe, eat, digest, grow blink your eyes, beat your heart ....
You need energy when you sleep!
Energy comes from processing the foods we eat and breaking them down into nutrients
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
4. Living things need oxygen
Oxygen is used to breakdown the food we eat into nutrients.
Oxygen is needed in the muscles of your body
All living things need oxygen - though plants and fungus (mushrooms) don't need as much as animals
v
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
5. Living things need suitable living conditions
Life exists all over the planet from the depths of the ocean to the top of the tallest trees.
Organisms are adapted to living in all climates including those most harsh - bacteria can live in water 400C. Others can live in -90C conditions.
Most living things build shelters to protect them from the harsh conditions
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What nutrients are essential for our survival?
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September 14, 2015
Niche
A niche is the role or job an organism has in an ecosystem.Ex) a dragonfly's niche includes it eating mosquitos
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Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
A species is a group of similar organisms that can reproduce.
A population is a group of species living in the same space.
A community is a group of populations living together.
An ecosystem is an area where a community interacts with each other and the physical world around them (abiotic factors).
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Sort into categories.
Species Population Community
Label
Dragonfly
Herd of Elk
Grizzly BearPrairies
Pond
Ant
Flock of Birds
Moose
Pack of WolvesSchool of Fish
Grasshopper
Label
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September 14, 2015
What are the levels of organization?
_____________a group of organisms of the same type
___________when more than one population occupies an area
______________all populations and abiotic factors in an area
___________all of the Earth's ecosystems
biosphere
ecosystempopulationcommunity
Drag words to their correct definitions.
Directions
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September 14, 2015
Science 7 - Interactions and Ecosystems Introduction
Video - Ecosystem - Factors -
Activity - Use the list we just made on classroom biotic and abiotic factors . Then draw a line between all the things that interact with each other. Here is an example - textbook page 10.
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September 14, 2015